winform中，输入excel文件名，在文件中查找。如果找到，就打开它。

以下是一个简单的WinForm示例[代码](https://geek.csdn.net/educolumn/1572ef9b473b4e00f6b2bf6d428b7c27?spm=1055.2569.3001.10083)，可以用于在文件中查找并打开[excel文件](https://geek.csdn.net/educolumn/058a2f001dec80db1ef2d7bf8bc67c6b?spm=1055.2569.3001.10083)： private void btnSearch_Click(object sender, EventArgs e) OpenFileDialog openFileDialog1 = new OpenFileDialog(); openFileDialog1.Filter = "Excel Files|*.xls;*.xlsx;*.xlsm"; openFileDialog1.Title = "Select an Excel File"; if (openFileDialog1.ShowDialog() == DialogResult.OK) [string](https://geek.csdn.net/edu/8802d631b97a4a6af1f4d0bbf8527465?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083) filePath = openFileDialog1.FileName; if (File.Exists(filePath)) Excel.Applic[ati](https://geek.csdn.net/educolumn/150d7073277950db5f09620704e791cf?spm=1055.2569.3001.10083)on excelApp = new Excel.Applic[ati](https://geek.csdn.net/educolumn/150d7073277950db5f09620704e791cf?spm=1055.2569.3001.10083)on(); Excel.Workbook workbook = null; workbook = excelApp.Workbooks.Open(filePath); workbook.Activate(); ```